From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Juan Quintela <quintela@redhat.com>
Cc: Leonardo Bras <leobras@redhat.com>,
qemu-devel@nongnu.org, Peter Xu <peterx@redhat.com>
Subject: Re: [PATCH v3 5/6] migration: simplify do_compress_ram_page
Date: Tue, 11 Jan 2022 13:45:02 +0000 [thread overview]
Message-ID: <Yd2J3meU2jP012SJ@work-vm> (raw)
In-Reply-To: <20220111124556.4892-6-quintela@redhat.com>
* Juan Quintela (quintela@redhat.com) wrote:
> The goto is not needed at all.
>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> migration/ram.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/migration/ram.c b/migration/ram.c
> index fa49d22e69..422c6bce28 100644
> --- a/migration/ram.c
> +++ b/migration/ram.c
> @@ -1341,12 +1341,11 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block,
> {
> RAMState *rs = ram_state;
> uint8_t *p = block->host + offset;
> - bool zero_page = false;
> int ret;
>
> if (save_zero_page_to_file(rs, f, block, offset)) {
> - zero_page = true;
> - goto exit;
> + ram_release_page(block->idstr, offset);
> + return true;
> }
>
> save_page_header(rs, f, block, offset | RAM_SAVE_FLAG_COMPRESS_PAGE);
> @@ -1361,12 +1360,8 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block,
> if (ret < 0) {
> qemu_file_set_error(migrate_get_current()->to_dst_file, ret);
> error_report("compressed data failed!");
> - return false;
> }
> -
> -exit:
> - ram_release_page(block->idstr, offset);
> - return zero_page;
> + return false;
> }
>
> static void
> --
> 2.34.1
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2022-01-11 14:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-11 12:45 [PATCH v3 0/6] migration: misc cleanups Juan Quintela
2022-01-11 12:45 ` [PATCH v3 1/6] migration: All this fields are unsigned Juan Quintela
2022-01-11 12:45 ` [PATCH v3 2/6] migration: We only need last_stage in two places Juan Quintela
2022-01-11 12:45 ` [PATCH v3 3/6] migration: ram_release_pages() always receive 1 page as argument Juan Quintela
2022-01-11 13:44 ` Philippe Mathieu-Daudé
2022-01-25 9:16 ` Juan Quintela
2022-01-11 12:45 ` [PATCH v3 4/6] migration: Remove masking for compression Juan Quintela
2022-01-11 13:38 ` Dr. David Alan Gilbert
2022-01-11 12:45 ` [PATCH v3 5/6] migration: simplify do_compress_ram_page Juan Quintela
2022-01-11 13:45 ` Dr. David Alan Gilbert [this message]
2022-01-11 12:45 ` [PATCH v3 6/6] migration: Move ram_release_pages() call to save_zero_page_to_file() Juan Quintela
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